Oil & Gas
| Fri 24 Apr 2026
Beijing, April 24 -- State Intellectual Property Office of China has received PetroChina patent application for Assembly Type Gas-liquid Separation Device. Ma Ying, Zhou Xinyu, Zhou Zhengqi, Liu Shujun, Cui Gang, Fu Gang, Lee Se Hyun, Zhao Tian, Li Xiurong, Chen Yanjun, Jin Wenlong, Tang Jing, Liao Qingzhi, Chen Yajun and Zhang ..